Wednesday, December 21, 2011

New Hepatitis B, Haemophilus, Influenza Type B Vaccines

This new vaccine launched in 1974, as the expanded programme on immunization (EPI) was delivered vaccines against diphteria, tetanus, pertussis, polio, measless and tuberculosis (BCG). This all kind of vaccines to prevent of 2.5 milion deaths every year.

Recently have implementation of new and under-utilized vaccines providing additional prevention of untimely deaths and disabilities. These include vaccines against hepatitis B, haemophilus influenza type b, streptococcus pneumoniae, rotavirus and rubella.

Kind of vaccines that still under improvement such as vaccines against human papilloma virus (HPV) provide an opportunity to impact global cervical cancer morbidity and mortality through immunization activities in older age groups.

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Monday, January 18, 2010

Hepatitis B Vaccine

Infants and Children

Hepatitis B vaccination must be provide from children, because this virus is difficult being removed from human body. The supply of this vaccines for pediatric use adequate to meet the demand during 2009 in almost in all over the world.

 If the infants mother are confirmed to be HBsAg-negative, the infacts should receive a birth dose of monovalent hepatitis B vaccine and second dose of monovalent hepatitis B vaccine at 1-2 months of age. Monovalent hepatitis B vaccine should be used for doses administered before 6 weeks of age. These doses should not be delayed. A third dose of hepatitis B vaccine is recommended fro these infant at 6 – 18 months of age.

The birth dose of hepatitis B vaccines is a critical component of post exposure prophylaxis to prevent perinatal transmission of hepatitis B virus infection to infants from women who are HBs Ag-positive. Most infants and children who acquire hepatitis B infection before 5 years develop chronic hepatitis B infection, these infants and children have a 15% - 25% risk of liver cirrhosis and or heptocellular carcinoma.

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